Injen EVO7008 Evolution Cold Air Intake for 01-04 Chevy/GMC Duramax 6.6L Diesel

Vehicle Fitment

• 2001-2004 Chevrolet Silverado 2500HD / 3500HD (6.6L V8 Duramax LB7)
• 2001-2004 GMC Sierra 2500HD / 3500HD (6.6L V8 Duramax LB7)
• Compatible with models where the 8th digit of the VIN is "1"

Fitment Notes

• Direct bolt-on installation; no cutting or drilling required
• Designed to work with stock ECU calibration
• Not legal for sale or use in California (CARB non-compliant)

Features

• Dyno-proven gains of up to 21 horsepower and 43 lb-ft of torque
• Durable roto-molded XLPE polyethylene housing and intake tube
• Massive 360° SuperNano-Web dry air filter for maximum airflow
• Integrated boost plenum for improved throttle response
• Reinforced automotive-grade silicone couplers
• Stainless steel band clamps with inner protective liner
• Aggressive intake growl under acceleration
• Made in the USA (Pomona, CA)
• Limited lifetime warranty

Specifications

• Part Number: EVO7008
• Material: Cross-linked high-density polyethylene (XLPE)
• Filter Type: SuperNano-Web dry air filter (reusable)
• Filter Part Number: X-1101-BB
• Optional Hydroshield Part Number: 1074BLK
• Installation Time: Approximately 1 hour
• Warranty: Limited Lifetime

Included Components

• 1x Roto-molded intake housing with integrated boost plenum
• 1x Roto-molded intake tube
• 1x SuperNano-Web dry air filter (X-1101-BB)
• Reinforced silicone couplers
• Stainless steel band clamps with inner protective liner
• Installation hardware and instructions

Product Description

The Injen EVO7008 Evolution Cold Air Intake System is engineered to enhance the performance of your 2001-2004 GM 6.6L Duramax LB7 diesel truck. This intake system delivers dyno-proven gains of up to 21 horsepower and 43 lb-ft of torque, providing improved throttle response and an aggressive intake sound under acceleration.

Constructed from durable roto-molded XLPE polyethylene, the EVO7008 features a two-piece housing with an integrated boost plenum and a massive 360° SuperNano-Web dry air filter. The system is designed for a direct bolt-on installation with no cutting or drilling required and is compatible with the stock ECU calibration.

The EVO7008 includes reinforced automotive-grade silicone couplers and stainless steel band clamps with inner protective liners to ensure a secure and leak-free connection. Proudly made in the USA, this intake system is backed by Injen's limited lifetime warranty.